/*

 *   Copyright (c) 2007-2008 Open Source Applications Foundation

 *

 *   Licensed under the Apache License, Version 2.0 (the "License");

 *   you may not use this file except in compliance with the License.

 *   You may obtain a copy of the License at

 *

 *       http://www.apache.org/licenses/LICENSE-2.0

 *

 *   Unless required by applicable law or agreed to in writing, software

 *   distributed under the License is distributed on an "AS IS" BASIS,

 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 *   See the License for the specific language governing permissions and

 *   limitations under the License.

 */

#ifndef _JObject_H

#define _JObject_H

#include <stdio.h>

#include "JCCEnv.h"

class JObject {

public:

    jobject this$;

    int id;  /* zero when this$ is a weak ref */

    inline explicit JObject(jobject obj)

    {

        if (obj)

        {

            id = env->id(obj);

            this$ = env->newGlobalRef(obj, id);

        }

        else

        {

            id = 0;

            this$ = NULL;

        }

    }

    inline JObject(const JObject& obj)

    {

        id = obj.id ? obj.id : env->id(obj.this$);

        this$ = env->newGlobalRef(obj.this$, id);

    }

    virtual ~JObject()

    {

        this$ = env->deleteGlobalRef(this$, id);

    }

    JObject& weaken$()

    {

        if (id)

        {

            jobject ref = env->newGlobalRef(this$, 0);

            env->deleteGlobalRef(this$, id);

            id = 0;

            this$ = ref;

        }

        return *this;

    }

    inline int operator!() const

    {

        return env->isSame(this$, NULL);

    }

    inline int operator==(const JObject& obj) const

    {

        return env->isSame(this$, obj.this$);

    }

    JObject& operator=(const JObject& obj)

    {

        jobject prev = this$;

        int objid = obj.id ? obj.id : env->id(obj.this$);

        this$ = env->newGlobalRef(obj.this$, objid);

        env->deleteGlobalRef(prev, id);

        id = objid;

        return *this;

    }

};

#ifdef PYTHON

#include <Python.h>

class t_JObject {

public:

    PyObject_HEAD

    JObject object;

};

extern PyTypeObject JObject$$Type;

#endif /* PYTHON */

#endif /* _JObject_H */